cui.com

date 01/27/2022

│ page 2 of 7

CUI Inc

│ SERIES: VOF-350C │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

ac input

dc input

90

127

264

370

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

4.0

2.0

A

A

inrush current

at 115 Vac, cold start

at 230 Vac, cold start

50

75

A

A

leakage current

at 240 Vac

0.1

mA

power factor correction

at 115 Vac, full load

at 230 Vac, full load

0.98

0.95

no load power consumption

at 230 Vac

1

W

OUTPUT

parameter

conditions/description

min

typ

max

units

output capacitance

12 Vdc output model

15 Vdc output model

24 Vdc output model

27 Vdc output model

36 Vdc & 48 Vdc output model

6,000

5,000

3,200

2,600

2,000

μF

μF

μF

μF

μF

initial set point accuracy

full load

12 Vdc & 15 Vdc output model

all other output models

±3

±2

%

%

line regulation

rated load

±0.5

%

load regulation

0 ~ 100% load

±1

%

hold-up time

at 230 Vac, 25°C, full load

6

8

ms

temperature coefficient

±0.03

%/°C

fan power

27 Vdc output models, 6W max

all other output models, 6W max

9

10.2

12

12

13.8

13.8

V

V

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

output shutdown, latching

12 Vdc output model

15 Vdc output model

24 Vdc output model

27 Vdc output model

36 Vdc output model

48 Vdc output model

15.0

18.5

30.0

33.5

45.0

59.5

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

over current protection

auto recovery

110

%

short circuit protection

continuous, auto recovery

over temperature protection

output shutdown, auto recovery

Additional Resources: Product Page | 3D Model